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All Journal Acta Chimica Asiana GMPI Conference Series
Putri, Khoiria Nur Atika
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Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Physics Social Sciences

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Effect of water-methanol binary solvent system in green synthesis of copper nanoparticles with tobacco leaf extract Suharto, Tomi; Sudirman, Sudirman; Ulfa, Maria; Ningsih, Baiq Nila Sari; Putri, Khoiria Nur Atika; Thamsiri, Panthong
Acta Chimica Asiana Vol. 7 No. 1 (2024)
Publisher : The Indonesian Chemical Society, Chapter Nusa Tenggara and The University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/aca.v7i1.197

Abstract

The increasing demand for environmentally friendly nanoparticle synthesis, as a viable strategy for pollution control, has prompted an exploration of green chemistry methods. This study meticulously investigates the synthesis of copper nanoparticles utilizing tobacco leaf extract obtained through both cold and hot extraction techniques. The primary focus lies in scrutinizing the impact of various solvents employed for plant extracts and metal ion solutions on reduction dynamics and particle size. The study employs UV-Vis and phytochemical analyses to discern differences in chemical composition and efficacy, particularly between the water and methanol-water systems, despite their resemblance in UV-Vis spectra. Intriguingly, the results unveil that the choice of solvent significantly influences the particle size distribution and stability of colloidal nanoparticles. The methanol-water system, in particular, yields smaller, more uniform particles compared to other solvent systems. This research sheds light on the pivotal role of solvent selection in nanoparticle synthesis, emphasizing its profound impact on both the reduction process and the resulting particle size distribution. The findings underscore the nuanced relationship between solvent choice and the characteristics of the synthesized nanoparticles, providing valuable insights for optimizing environmentally friendly synthesis methods. Ultimately, this study contributes to the growing body of knowledge on green chemistry approaches for nanoparticle synthesis with implications for pollution control and sustainable materials production.
The Effect of Earthquake and Volcanic Eruption to the Nuclear Installation: A Retrospective on 2006 Yogyakarta Earthquake and Merapi Eruption Yazid, Mochammad; Putri, Khoiria Nur Atika
GMPI Conference Series Vol 1 (2022): The 9th Asian Academic Society International Conference
Publisher : Gemilang Maju Publikasi Ilmiah (GMPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (366.097 KB) | DOI: 10.53889/gmpics.v1.80

Abstract

Earthquake hitting Yogyakarta, Indonesia on May 27th, 2006 that was followed by volcanic eruption of Mount Merapi had been pronounced as one of the most severe natural disasters ever occurred in the national history alongside the Tsunami happened in Aceh, Indonesia on 2004. The earthquake was caused by the activity of Opak faults which is located only ± 7 km away from Kartini nuclear reactor in the Yogyakarta province, Indonesia. This study aims to emphasize on the importance of disaster management mitigation to reduce the potential risk in future possibilities of natural disaster reoccurrence. It was concluded that retrofitting on the nuclear installation setup to withstand earthquake and volcanic eruption along with increasing people awareness and preparedness by arranging trainings on emergency response periodically are of great necessities to reduce the risk in time of disaster. Other than that, this work also described about the community service activities done by Indonesian National Nuclear Agency to help with the community revival post disasters.
Co-Authors Maria Ulfa Ningsih, Baiq Nila Sari Sudirman Sudirman Suharto, Tomi Thamsiri, Panthong Yazid, Mochammad